/*
 *d_6_5_1.cpp
 *Create by Administrator
 * 2017年1月22日
 * 下午1:52:00
 */
#include <iostream>
#include <vector>
using std::string;
using std::cin;
using std::cout;
using std::endl;
using std::vector;
int main() {

	typedef string::size_type sz;  //别名
	string window;
	window = screen();             //等价于screen(24,80,' ')
	string screen(sz ht = 24, sz wid = 80, char backgrnd = ' ');
	window = screen(66);             //等价于screen(66,80,' ')
	window = screen(66, 256);          //等价于screen(66,256,' ')
	window = screen(66, 256, '#');      //等价于screen(66,256,'#')

	cout << " " << endl;
	return 0;
}
